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ABOUT NEUROPHOS The demand for new data centers and AI compute is rapidly outpacing the planet's energy capacity. Digital solutions are hitting a power wall as we approach the physical limits of traditional silicon. Conquering this bottleneck means rethinking the fundamental architecture of inference compute. The industry's current path can't meet the need, so we're taking a different approach. Instead of traditional electronic circuits, we use silicon photonics and an active, programmable metasurface to perform matrix multiplications at the speed of light. Our optical cells are 10,000x smaller than traditional photonic components, enabling unprecedented density. By using photonics instead of electricity, our chips become more efficient as they scale. This architecture will deliver up to 100 times the energy efficiency of existing solutions while significantly improving performance for large-scale AI inference. We’ve assembled a world-class team of industry veterans and recently raised a $110M Series A https://www.neurophos.com/110m-raise led by Gates Frontier. Participants include M12 (Microsoft’s Venture Fund), Carbon Direct Capital, Aramco Ventures, Bosch Ventures, Tectonic Ventures, Space Capital, and others. Join us and shape the future of computing! POSITION OVERVIEW Neurophos is seeking a Senior BEOL (Back-End-Of-Line) Process Integration Engineer to join our chip manufacturing team embedded at our foundry partner in Belgium. This role sits at the critical interface between Neurophos’s design intent and foundry execution: you will own BEOL process integration for our advanced photonic chip, ensure that all process steps are qualified and operating within specification, and drive continuous improvement in yield, reliability, and performance. You will work directly with the foundry process integration team, engaging daily with foundry process engineers, metrology teams, and the Neurophos engineering team to ensure our product meets its ambitious specifications.   LOCATION Leuven, Belgium (on-site at IMEC). Full-time position with an American company. KEY RESPONSIBILITIES Process Integration & Development - Own the BEOL process integration flow for Neurophos’s photonic chip, covering metallization, dielectric deposition, CMP, lithography, etch, and more. - Drive process development and process transfer activities between development and high-volume manufacturing environments. - Define and maintain process specifications and control limits (SPC) for all critical BEOL process steps; lead the foundry to consistently operate within these limits. - Identify process\layout interactions and integration risks across the full BEOL stack; develop mitigation strategies and implement process improvements and design rules. - Review and approve GDS layout for process compatibility, flagging DRC/DFM issues and recommending design modifications. - Understand product reliability mechanisms and failure modes; relate reliability risks to specific BEOL process steps and drive targeted process improvements to enhance device reliability and long-term performance. - Apply structured problem-solving methodologies and systematic root cause analysis to process integration challenges; develop and execute corrective action plans that address root causes and prevent recurrence. - Design and execute Design of Experiments (DOE) in the fab to support process development, continuous improvement, and process qualification activities; analyze results to define optimal process windows and improve process robustness. Fault Isolation & Failure Analysis - Lead fault isolation (FI) efforts from electrical test data, inline metrology, and yield excursion data; define and execute structured debug plans. - Lead physical failure analysis (PFA) activities including cross-sectioning, SEM/TEM analysis, EDX, and other characterization techniques in coordination with the foundry and external labs. - Correlate proces